F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
7. Position the heated Positive Crankcase Ventilation (PCV) hose harness aside.
^
Disconnect the PCV hose from the throttle body adapter.
^
Disconnect the heated PCV outlet hose from the throttle body adapter.
^
Disconnect the PCV hose from the intake manifold.
^
Remove the PCV valve and position the harness aside.
8. Disconnect the heater hose and the heated PCV inlet hose.
9. Disconnect the Evaporative Emission (EVAP) canister purge valve hose.
10. Disconnect the Exhaust Gas Recirculation (EGR) valve vacuum hose and the main vacuum harness.
